The new series of condensing boilers and volume water heaters boasts real time O₂ trim compensation that maintains ideal air-to-fuel ratios and full 20:1 turndown on all sizes to match varying load profiles.

With advanced features such as EZ Setup and Combustion Calibration Assist, the Edge Controller makes it even easier to install, service and maintain the Benchmark boiler

The new product is engineered and manufactured with reliability in mind and completes a state-of-the-art reliability validation, which includes environmental testing of sub-assemblies, stress testing, and simulated testing of appliances. 

Latest evolution of the FlexCore includes sizes up to 7,000, 8,000 and 9,000 MBH.

HO2T continuously monitors the oxygen level of the flue gas in the vent piping.